US2534955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp holder for circular lamps
Assignee: General Electric Co
•
Filing: 1945-10-23
•
Granted: 1950-12-19
•
Expires: 1965-10-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Dazley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:39
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/002; F21Y; F21Y2103/00; F21Y2103/30; F21Y2103/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US279481A
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US502033A
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US1084362A
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US1903127A
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US2228646A
Cited
US2366252A
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US2350462A
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US2403968A
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US2419965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |